... 2.0 Flash drive(1 for backup,1 for mouse,1 option) Network InterfaceRJ-45 port(10/100M) Network FunctionTCP/IP,UDP,DHCP, ... IP Filter,PPPOE,FTP,DNS,DDNS,NTP,UPNP,EMAIL,Alarm Server ... +40°C /10~90%RHDimension1U, 330mm×255mm×55mm(W×D×H)Weight2.83KG(without HDD) 8CH Digital Video Recorder H.264 Compression Realtime Recording